Home / 12,815,459.65-19,224,357.51-4,177,342.90

Finding the Fourth Proportional to 12,815,459.65, 19,224,357.51 and 4,177,342.90

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Solution

The fourth proportional to 12,815,459.65, 19,224,357.51 and 4,177,342.90 is: 6,266,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,459.65 : 19,224,357.51 = 4,177,342.90 : x
  2. Step 2: Convert to fraction form
    12,815,459.65/19,224,357.51 = 4,177,342.90/x
  3. Step 3: Cross multiply
    12,815,459.65x = 19,224,357.51 × 4,177,342.90
  4. Step 4: Simplify right side
    12,815,459.65x = 80,306,733,351,460.19
  5. Step 5: Solve for x
    x = 80,306,733,351,460.19/12,815,459.65
  6. Step 6: Final answer
    x = 6,266,395.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.